.black_overlay {
    display: none;
    position: absolute;
    top: 0%;
    left: 0%;
    width: 100%;
    height: 100%;
    background-color: black;
    z-index: 1001;
    -moz-opacity: 0.8;
    opacity: .50;
    filter: alpha(opacity=80);
}
.white_content {
    display: none;
    position: absolute;
    top: 20%;
    left: 10%;
    width: 80%;
    height: 60%;
    background-color: white;
    z-index: 1002;
    overflow: auto;
    border-radius: 20px;
    border: 1px solid #ccc;
}
.white_content_small {
    display:none;
    position:absolute;
    top: 20%;
    left: 30%;
    width: 40%;
    height: 50%;
    z-index: 1002;
    overflow: auto;
}

